Introducing the ratio symbol 3 - White Rose Maths › wp-content › uploads › ... · Introducing...
2
Introducing the ratio symbol 1 The ratios show shaded parts to non-shaded parts. Match the ratios, statements and bar models. 2:3 five to two 5:2 three to two 2:5 two to three 3:2 two to five 2 Who is correct? Explain your answer. 3 Dani has some counters, cubes and marbles. Complete the sentences. The ratio of counters to marbles is : The ratio of marbles to cubes is : The ratio of cubes to counters is : The ratio of counters to cubes is : The ratio of counters to cubes to marbles is : : 4 Brett has drawn some triangles and squares. The ratio of triangles to squares is 1 : 3 a) Are there more triangles or more squares? Explain how you know. b) Brett has drawn more than 10 shapes. Draw what Brett might have drawn. © White Rose Maths 2019 The ratio of purple to yellow is 5 : 4 It is 4 : 5 Mo Alex
Transcript of Introducing the ratio symbol 3 - White Rose Maths › wp-content › uploads › ... · Introducing...
Introducing the ratio symbol
1 Theratiosshowshadedpartstonon-shadedparts.
Matchtheratios,statementsandbarmodels.
2:3
fivetotwo
5:2
threetotwo
2:5
twotothree
3:2
twotofive
2
Whoiscorrect?
Explainyouranswer.
3 Danihassomecounters,cubesandmarbles.
Completethesentences.
Theratioofcounterstomarblesis :
Theratioofmarblestocubesis :
Theratioofcubestocountersis :
Theratioofcounterstocubesis :
Theratioofcounterstocubestomarblesis : :
4 Bretthasdrawnsometrianglesandsquares.
Theratiooftrianglestosquaresis1:3
a) Aretheremoretrianglesormoresquares?
Explainhowyouknow.
b) Bretthasdrawnmorethan10shapes.
DrawwhatBrettmighthavedrawn.
©WhiteRoseMaths2019
The ratio of purple to yellow is 5 : 4
It is 4 : 5
Mo Alex
5 Herearesomerulersandsomepencils.
a) Whatistheratioofpencilstorulers? :
b) Herearesomemorerulersandpencils.
Whoiscorrect?
Explainyouranswer.
©WhiteRoseMaths2019
6 Theratioofhorsestochickensinafieldis2:5
Herearethehorses.Drawthechickens.
7 Shadesquaressothattheratioofshadedtonon-shadedsquares
is1:4
a) b) c)
8 Aboxcontainsdark,whiteandmilkchocolates.
38
oftheboxaredarkchocolates.
12
oftheboxaremilkchocolates.
Therestarewhitechocolates.
Whatdoeseachratiorepresent?
a) 1:3
b) 4:1
c) 3:5
The ratio of pencils to rulers is the
same as in part a).
Ron is wrong because there are more pencils
and more rulers.
Ron
Dora
